Stephens SL, Tew DP, Walker NR, Legon ACMay 2011Journal article Journal:Journal of Molecular SpectroscopyVolume:267Issue:1-2, Elsevier, pp.163 - 168No abstract availableKeywords:34 Chemical Sciences , 3406 Physical Chemistry , 3407 Theoretical and Computational Chemistry DOI10.1016/j.jms.2011.03.004